import java.util.Scanner;
//简写单词
public class demo16 {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        while(in.hasNext()){
            char s =in.next().charAt(0);
            if( s >= 'a' && s <= 'z') System.out.print((char)(s -32));
            else System.out.print(s);
        }
    }

}
